8989565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 12700800

約数和(自身を除く): 3711235

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 251, 377, 551, 1235, 1255, 1885, 2755, 3263, 4769, 7163, 7279, 16315, 23845, 35815, 36395, 61997, 94627, 138301, 309985, 473135, 691505, 1797913, 8989565]

約数ペア:

[(1, 8989565), (5, 1797913), (13, 691505), (19, 473135), (29, 309985), (65, 138301), (95, 94627), (145, 61997), (247, 36395), (251, 35815), (377, 23845), (551, 16315), (1235, 7279), (1255, 7163), (1885, 4769), (2755, 3263)]